25982740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{26513}}^1$

素因数の和:26536

約数の個数: 36

約数和(自身を含む): 63474516

約数和(自身を除く): 37491776

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 26513, 53026, 106052, 132565, 185591, 265130, 371182, 530260, 742364, 927955, 1299137, 1855910, 2598274, 3711820, 5196548, 6495685, 12991370, 25982740]

約数ペア:

[(1, 25982740), (2, 12991370), (4, 6495685), (5, 5196548), (7, 3711820), (10, 2598274), (14, 1855910), (20, 1299137), (28, 927955), (35, 742364), (49, 530260), (70, 371182), (98, 265130), (140, 185591), (196, 132565), (245, 106052), (490, 53026), (980, 26513)]